Dictionary

1. (

• aspirin ,
• acetylsalicylic_acid ,
• Bayer ,
• Empirin ,
• St._Joseph

) the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets ;